(a) (x)(Hx ⊃ Gx)

 (x)(Fx ⊃ Gx) ∴ (∃x)(Fx•Hx)


(b) (x)(Fx∨Gx)

 ∴ (x)Fx∨(x)Gx


두개다요?! 두개다틀렸어요?!?!?